_:vb2302844 "30655" . _:vb2302843 _:vb2302844 . _:vb2302844 "Stilleweg 2" . _:vb2302843 "Bundesanstalt f\u00FCr Geowissenschaften und Rohstoffe (BGR)"@en . _:vb2302843 . _:vb2302844 "DE" . _:vb2302843 . _:vb2302844 . _:vb2302843 . _:vb2302844 "Hannover" .